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- small amplitude modulation 小幅度调制
- What is Pulse Amplitude Modulation? 什么是脉冲调幅?
- Quadrature amplitude modulation. 正交幅度调变。
- I retrofitted our ommunications to an amplitude modulation. 我把我们通讯改为调幅模式。
- Active jamming of aninfrared seeker with amplitude modulation reticle[J]. 引用该论文 王滨;李彤;吕百达;钟鸣.
- Results show that the saw-tooth signal amplitude oscillate within small amplitude through the calibration. 通过校准,锯齿波的幅值变化量可控制在很小范围内。
- This system of modifying the carrier waves is called "Amplitude Modulation," or "AM". 这个改变载波的系统称为“振幅调制”或缩写为“AM”。
- The study of burning under the influence of small amplitude disturbances in ambient gas is a logical starting point for understanding the unsteady burning phenomena. 在周围气体小振幅扰动的影响下的燃烧研究,是了解非稳态燃烧现象合乎逻辑的起点。
- A method to measure the amplitude modulation (AM) signal with the DPSD algorithm realized by an A/D converter and a computer is presented. 本文提出了一种应用A/D转换器和计算机实现DPSD算法来测量调幅信号的方法。
- The third method is the time-average approach and is particularly applicable to rapid, small amplitude, oscillatory systems. 第三种方法是时间平均法,特别适用于以小振幅快速振动的系统。
- Mazda is riding the same wave, though at a smaller amplitude. 马自达是骑马同波,但在一个较小的幅度。
- A high-performance DVB-C Quadrature Amplitude Modulation(QAM) demodulator has been presented. 摘要 提出了一种适用于DVB-C标准的高性能QAM解调器。
- This paper treats a method to transfer small amplitude highfrequency sine wave into high frequency programmable-dividing ECL clock. 介绍了一种直接将小幅度高频正弦信号变换成高速ECL时钟并进行可编程分频的通用方法。
- Single sideband amplitude modulation is the major model of the military software radio. 单边带调制是军用软件无线电中的主要调制方式之一。
- The turbulent subarea of single flame is not obvious and the number of the region with the small amplitude of cross-correlation coefficient increases. 单股火焰的湍流拟序结构分区变得不明显,互相关系数小幅波动的区域增多;
- Amplitude modulation switch formed byour flux KTP has the contrast ratio of 150:1 and insert loss is 2.5% at 1064 nm. 制作的强度调制电光开关,消光比为150:1,对1064nm激光的插入损耗为2.5%25;
- The off-boresight drive signal is a kind of modulated signal with the charaeteristics of low frequency,small amplitude and liable to be interferenced. 离轴驱动信号是一种频率低、幅值小、易受干扰的调制信号,在信号检测中通常是测试的难点。
- The experiment of static structural recovery on pre-sheared non-Newtonian crude oil has been performed by small amplitude oscillatory shear. 通过小振幅振荡剪切试验,对经历预剪切的非牛顿原油在静置条件下的结构恢复性进行了研究。
- Units: megahertz (MHz) AM (amplitude modulation), 200 and up are for military use, but are staffed by the same civil controllers. 单位:兆赫,调幅,200以上为军用,亦为民航管制员执勤。
- This nonautonomous system has a quadratic fluid damping andparametric excitation, and the vortex excitation force is of very small amplitude. 该非自治系统具有流体平方阻尼力和中心激振。